www.customrearseatdelete.com will be releasing a new rear seat delete kit shortly for the 94 thru 04 model Mustangs. The K Dezines kits will be styled differently then the existing kits for these years.
i made a write up thats floating around in 4.6 tech, look at it, id suggest doin the work urself and saving the money. compared to the ones u listed for 135 or so after shipping, i saved half of that by doing it myself
it can be found in the Sticky "Important Tech Thread"